Detects radon, temperature, and humidity. Ideal for basements. Bluetooth connectivity lets you track air quality from your phone.
                
                                            
                             
                            
                                Radon
                                You can't see or smell it, but long-term exposure to this radioactive gas is the top cause of lung cancer in non-smokers. 
                            
                         
                                            
                             
                            
                                Temperature
                                Temperature is not just a matter of comfort, it can negatively affect sleep quality, mood, and alertness. 
                            
                         
                                            
                             
                            
                                Humidity
                                High humidity promotes mold growth and aggravates asthma symptoms, while too-dry air can lead to skin and throat irritation.